package token

import (
	"encoding/base64"
	"fmt"

	"github.com/golang-jwt/jwt/v4"
	"github.com/google/uuid"
)

const RefreshTokenKeyPrefix = "token:refresh:"

func GenToken(secretKey string, iat int64, expireSeconds int64, payloads map[string]any) (string, error) {
	claims := make(jwt.MapClaims)
	claims["exp"] = iat + expireSeconds
	claims["iat"] = iat
	for k, v := range payloads {
		claims[k] = v
	}

	token := jwt.New(jwt.SigningMethodHS256)
	token.Claims = claims

	return token.SignedString([]byte(secretKey))
}

func GenRefreshToken() string {
	return base64.StdEncoding.EncodeToString([]byte(uuid.New().String()))
}

func GenRefreshTokenCacheKey(userId int64) string {
	return fmt.Sprintf("%s%d", RefreshTokenKeyPrefix, userId)
}